1dnl 2dnl See if there is any X11 present 3dnl 4dnl $Id: check-x.m4 15435 2005-06-16 19:45:52Z lha $ 5 6AC_DEFUN([KRB_CHECK_X],[ 7AC_PATH_XTRA 8 9# try to figure out if we need any additional ld flags, like -R 10# and yes, the autoconf X test is utterly broken 11if test "$no_x" != yes; then 12 AC_CACHE_CHECK(for special X linker flags,krb_cv_sys_x_libs_rpath,[ 13 ac_save_libs="$LIBS" 14 ac_save_cflags="$CFLAGS" 15 CFLAGS="$CFLAGS $X_CFLAGS" 16 krb_cv_sys_x_libs_rpath="" 17 krb_cv_sys_x_libs="" 18 for rflag in "" "-R" "-R " "-rpath "; do 19 if test "$rflag" = ""; then 20 foo="$X_LIBS" 21 else 22 foo="" 23 for flag in $X_LIBS; do 24 case $flag in 25 -L*) 26 foo="$foo $flag `echo $flag | sed \"s/-L/$rflag/\"`" 27 ;; 28 *) 29 foo="$foo $flag" 30 ;; 31 esac 32 done 33 fi 34 LIBS="$ac_save_libs $foo $X_PRE_LIBS -lX11 $X_EXTRA_LIBS" 35 AC_RUN_IFELSE([ 36 #include <X11/Xlib.h> 37 foo(void) 38 { 39 XOpenDisplay(NULL); 40 } 41 main(int argc, char **argv) 42 { 43 return 0; 44 } 45 ],krb_cv_sys_x_libs_rpath="$rflag"; krb_cv_sys_x_libs="$foo"; break,:, 46 krb_cv_sys_x_libs_rpath="" ; krb_cv_sys_x_libs="" ; break) 47 done 48 LIBS="$ac_save_libs" 49 CFLAGS="$ac_save_cflags" 50 ]) 51 X_LIBS="$krb_cv_sys_x_libs" 52fi 53]) 54